Spring Validation (using Hibernate Validator)

1. Required JAR Package

Hibernate-validator.5.1.3.final.jar

Validation-api.1.1.0.final.jar

2. Springsevlet-config.xml Configuration

After Spring3, any JSR303-enabled Validator, such as Hibernate Validator, can be introduced through a simple configuration that only needs to be included in the configuration XML. At this point the Validatemessage property file defaults to Validationmessages.properties under Classpath:

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If you do not use the default, you can use the following configuration:

<Mvc:annotation-drivenValidator= "Validator" /><BeanID= "Validator"class= "Org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">    < Propertyname= "Providerclass"value= "Org.hibernate.validator.HibernateValidator"/>    <!--do not set defaults to validationmessages.properties under Classpath -    < Propertyname= "Validationmessagesource"ref= "Validatemessagesource"/></Bean>
<BeanID= "Validatemessagesource"class= "Org.springframework.context.support.ReloadableResourceBundleMessageSource">      < Propertyname= "BaseName"value= "Classpath:validatemessages"/>      < Propertyname= "Fileencodings"value= "Utf-8"/>      < Propertyname= "Cacheseconds"value= "+"/>  </Bean> 

3. Hibernate validator Constraint Annotations

The  constraint that is built into the Bean Validation @Null The annotated element must beNULL@NotNull The annotated element must not beNULL@AssertTrue The annotated element must be atrue@AssertFalse The annotated element must be afalse@Min (value) The annotated element must be a number whose value must be greater than or equal to the specified minimum value @Max (value) The annotated element must be a number whose value must be less than or equal to the specified maximum value @DecimalMin (value) The annotated element must be a number whose value must be greater than or equal to the specified minimum value @DecimalMax (value) the element being commented on must be a number whose value must be less than or equal to the specified maximum value @Size (Max=, min=The size of the annotated element must be within the specified range @Digits (integer, fraction) The annotated element must be a number whose value must be within an acceptable range @Past the annotated element must be a past date @F Uture The annotated element must be a future date @Pattern (Regex=,flag=The annotated element must conform to the specified regular expression Hibernate Validator additional constraint @NotBlank (Message=Verify that the string is not NULL, and that the length must be greater than 0 @Email The annotated element must be an e-mail address @Length (min=,max=The size of the annotated string must be within the specified range @NotEmpty the annotated string must be non-empty @Range (min=,max=,message=) The annotated element must be within the appropriate range

4. Using Validator

Add the @valid annotation (which is in the Javax.validation package) to trigger the checksum before the object that needs validation. This completes the validation of the user object for the input data, and the result of the validation is still stored in the Bindingresult object.

1  PackageCom.mkyong.common.model;2  3 ImportOrg.hibernate.validator.constraints.NotEmpty;4 ImportOrg.hibernate.validator.constraints.Range;5  6  Public classCustomer {7  8@NotEmpty//Make sure name was not empty9 String name;Ten   One@Range (min = 1, max = 150)//Age need between 1 and A     intAge ; -   -     //getter and Setter methods the   -}

1  PackageCom.mkyong.common.controller;2  3 ImportJavax.validation.Valid;4 ImportOrg.springframework.stereotype.Controller;5 ImportOrg.springframework.ui.ModelMap;6 ImportOrg.springframework.validation.BindingResult;7 Importorg.springframework.web.bind.annotation.RequestMapping;8 ImportOrg.springframework.web.bind.annotation.RequestMethod;9 ImportCom.mkyong.common.model.Customer;Ten   One @Controller A@RequestMapping ("/customer") -  Public classSignupcontroller { -   the@RequestMapping (value = "/signup", method =requestmethod.post) -      PublicString Addcustomer (@Valid customer customer, bindingresult result) { -   -         if(Result.haserrors ()) { +             return"Signupform"; -}Else { +             return"Done"; A         } at   -     } -   -@RequestMapping (method =requestmethod.get) -      PublicString Displaycustomerform (Modelmap model) { -   inModel.addattribute ("Customer",NewCustomer ()); -         return"Signupform"; to   +     } -   the}

1<%@ taglib prefix= "form" uri= "Http://www.springframework.org/tags/form"%>234<style>5 . Error {6 color: #ff0000;7 }8  9 . Errorblock {TenColor: #000; Onebackground-color: #ffEEEE; A border:3px solid #ff0000; - padding:8px; - margin:16px; the } -</style> - -   +<body> - +   A<form:form method= "POST" commandname= "Customer" action= "Customer/signup" > at<form:errors path= "*" cssclass= "errorblock" element= "div"/> -<table> -<tr> -<td>customer Name:</td> -<td><form:input path= "Name"/></td> -<td><form:errors path= "name" cssclass= "Error"/></td> in</tr> -<tr> to<td>customer Age:</td> +<td><form:input path= "Age"/></td> -<td><form:errors path= "Age" cssclass= "error"/></td> the</tr> *<tr> $&LT;TD colspan= "3" ><input type= "Submit"/></td>Panax Notoginseng</tr> -</table> the</form:form> +   A</body> the
You can override the error prompt defined on a persisted object by defining a "validatemessage.properties" file, usually in the form of a property key in the properties file "@Annotation Name.object.fieldname":
NotEmpty.customer.name = name is required! Range.customer.age = age value must is between 1 and 150
Code Run Demo:
Springmvc-bean-validation-jsr303-example-2.zip
5. Reference
http://www.mkyong.com/spring-mvc/spring-3-mvc-and-jsr303-valid-example/
Http://www.cnblogs.com/myitmylife/p/3617084.html
Http://www.cnblogs.com/liukemng/p/3738055.html
Spring Validation (using Hibernate Validator)